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Goodwill - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | |
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Apr. 30, 2013
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Apr. 30, 2014
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| Goodwill [Line Items] | ||
| Goodwill | $ 132,831 | $ 139,155 |
| Goodwill related to discontinued operations included in assets held for sale | $ 9,002 |
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- Definition
Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
Amount of divestiture of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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